{
  "address": "4051–4053 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4051/",
  "apn": "3583079",
  "block": "3583",
  "lot": "079",
  "eas_baseid": "360818",
  "coordinates": {
    "lat": 37.760846,
    "lng": -122.434032
  },
  "address_range": "4051–4053",
  "street_numbers_on_parcel": [
    "4051",
    "4053"
  ],
  "also_addressed": [
    "110 HARTFORD ST"
  ],
  "parcel": {
    "year_built": 1920,
    "units": 3,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 3,
    "lot_area_sqft": 1875,
    "building_area_sqft": 3750,
    "lot_depth_ft": 75,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 4 units or less",
    "construction_type_code": "D",
    "zoning": "CASTRO",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "4053 4051 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 530494,
    "assessed_improvement_value": 707341,
    "last_sale_date": "1992-05-14"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1920",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Eureka Valley Commercial & Castro Village LGBTQ+ Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1879–1932; 1963–1980",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "201709198963",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-09-19",
      "status_date": "2018-03-01",
      "estimated_cost": 1,
      "revised_cost": 10000,
      "description": "revision to at&t pa #2016-1003-9391. install (n) emerson netsure 502 ac/dc power converter inside (n) 19\" rack; install (n) dc surge box inside (n) 19\" rack; remove (6) (e) rru22 units, (2) (e) rruu-01, (2) (e) 3518 rbs + (2) (e) rxait; relocate (2) pbc-02 units.",
      "source": "sf-building-permits"
    },
    {
      "number": "201703020469",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-03-02",
      "status_date": "2017-03-20",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa#200904216761. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "201701177257",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-01-17",
      "status_date": "2017-05-03",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "10 electrical outlets and 5 faucet & conduits; 5 lavatories in 3 rooms; drywall repair.",
      "source": "sf-building-permits"
    },
    {
      "number": "201610039391",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-10-03",
      "status_date": "2017-03-31",
      "estimated_cost": 25000,
      "revised_cost": 35000,
      "description": "at&t - modify (e) att cell site. r&r 2 antennas add 1 new gps antenna. remove 2 2308 rbs cabinets r&r 4 rrus add 4 new triplexes. relocate pbc-02 units.",
      "source": "sf-building-permits"
    },
    {
      "number": "201608094523",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2016-08-09",
      "status_date": "2016-11-29",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "to add 3 massage rooms and one closet and five sinks on first floor tenant improvement.",
      "source": "sf-building-permits"
    },
    {
      "number": "200904216761",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-04-21",
      "status_date": "2009-06-24",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "modifcation to an (e) facility consisting of adding 2 new rru's (remote radio units)",
      "source": "sf-building-permits"
    },
    {
      "number": "200503218023",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2005-03-21",
      "status_date": "2006-03-09",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "installation of (n) cingular wireless telecommunications facility including, increaed chicklet",
      "source": "sf-building-permits"
    },
    {
      "number": "200210027969",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-10-02",
      "status_date": "2002-10-02",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "remove (e) concrete inside garage. pour (n) concrete same above.",
      "source": "sf-building-permits"
    },
    {
      "number": "8602682",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-03-10",
      "status_date": "1986-05-02",
      "estimated_cost": 2100,
      "description": "stationary canvas (box type) awning with steel galvanized",
      "source": "sf-building-permits"
    },
    {
      "number": "8401865",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-02-22",
      "status_date": "1984-05-07",
      "estimated_cost": 1500,
      "description": "installation of awning as per attached design.",
      "source": "sf-building-permits"
    },
    {
      "number": "8307429",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1983-08-01",
      "status_date": "1985-04-16",
      "estimated_cost": 900,
      "description": "new doorway to garage from retail store new loor 4x6 beams",
      "source": "sf-building-permits"
    },
    {
      "number": "8205461",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-07-02",
      "status_date": "1983-03-04",
      "estimated_cost": 1000,
      "description": "bldg use: store",
      "source": "sf-building-permits"
    }
  ],
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=18TH&street_type=ST&address_number=4051",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=3583079&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3583&lot=079",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3583079",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43403151859901%2037.7608456035938)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}